Improvement in grates



W. s. sTEvENsoN.

GRATE.

Patented Apr125,1876.

Wgizesses @f7/Mm W 72ml?? N. PUERS. PklOfO-LITHOGRAFHER. WASHINGTON. D CA useful NlTED STATES PATENT OFFICE.

WALTER S. STEVENSON, OF PHILADELPHIA, PENNSYLVANIA.

IMPROVEMENT IN GRATEs.

Specification forming part of Letters Patent No. l 76,560, dated April 25, 1876 application filed February 181876.

To'all whom lit may concern:

Be it known that I, WALTER S. STEVEN- SON, of the city of Philadelphia, in the State of Pennsylvania, have invented a new and Improvement vin Basket- Grates. for Stoves., which improvement is fully set forth in the following specification, reference being' had to the accompanying drawings, in whic'hv Figure lis a perspective view of the said improved grate, and Fig. 2,1 a vertical transverse section of the same.

.The object of my improvement in basketgrates is to better lprevent the ashesy from becoming packed between the .bars of' the grate, and thus obstructing the requisitely free draft of air through the fuel, and also to afford a more free and easy discharge of the said ashes while the poker is being used in raking the grate, as such gra-tes cannot be, easily tilted and my invention consists 'of a basket-grate having its bars corrugated from end to end, as 'will be described and shown.

The drawings represent the general form of what is known to the trade as the basketgrate for cooking stoves and ranges, the upper portion of the front of which is undivided or imperforate, and the lower portion,ltogether with the horizontal bottom, divided into bars, and the whole cast, of iron, in one piece; and the difference between the said grates and my improved one consists in this-that the bars in the former are each without corrugations of any kind, while in mine each bar isvcorru- Witnesses:

BENJ. MORIsoN, WM. H. MomsoN.

` WALTER s. s'rEVENsoN. 

